<template>
<div class="icons">
  <swiper :options="swiperOption">
    <swiper-slide v-for="(page,index) of pages" :key="index">
      <div class="icon" v-for="item of page" :key="item.id">
        <div class="icon-img">
          <img class="icon-img-content" :src='item.imgUrl' alt="">
        </div>
        <p class="icon-desc">{{item.desc}}</p>
      </div>
    </swiper-slide>
  </swiper>
</div>
</template>

<script>
export default {
  name: 'HomeIcons',
  data () {
    return {
      swiperOption: {
        loop: false
      }
    }
  },
  props: {
    list: Array
  },
  computed: {
    pages () {
      const pages = []
      this.list.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style scoped lang="stylus">
  @import "~styles/varibles.styl"
  @import "~styles/mixins.styl"
.icons >>> .swiper-container
  height: 0
  padding-bottom 50%
.icons
  margin-top .1rem
  overflow hidden
  height: 0
  padding-bottom 50%
  .icon
    position relative
    overflow hidden
    float left
    width: 25%
    height: 0
    padding-bottom 25%
    .icon-img
      position absolute
      top: 0
      left: 0
      right: 0
      bottom: .44rem
      box-sizing border-box
      padding .1rem
      .icon-img-content
        height: 100%
        display block
        margin: 0 auto
    .icon-desc
      position absolute
      left: 0
      right: 0
      bottom: 0
      height: .44rem
      line-height .44rem
      color $darkTextColor
      text-align center
      ellipse()
</style>
